In this module, you can set up colors of alerts.
There are two kinds of alerts, success and error. For both the kinds, you can set up text color, background color and border color.
All dedicated fields allow you to choose the color by a comfortable color picker or by entering the color in hex format.
You can also choose a custom CSS class for send button by Button class field.
For example you can assign it a Bootstrap CSS class, such as btn btn-primary, and the button automatically will be displayed with this CSS class. If you leave blank this field, the button will have the CSS class btn btn-default.